Find a Specialist

Dr. Julia Kuhn is a board-certified ophthalmologist who provides comprehensive medical and surgical eye care in Eugene. She enjoys partnering with people of all ages to protect sight and tailor care plans that fit each patient’s goals and lifestyle. In the clinic, Dr. Kuhn manages common and complex conditions such as glaucoma, diabetic eye disease, and age-related macular degeneration, and she offers a full spectrum of in-office procedures and advanced cataract options. Dr. Kuhn studied Biology and French literature at Washington University in St. Louis before earning her medical degree from the University of Pittsburgh School of Medicine. She completed an internship and ophthalmology residency at the University of Pittsburgh Medical Center, where her research interests included ocular surgery techniques. She is active in professional societies and is committed to clear communication, shared decision-making, and evidence-based care so every patient understands their diagnosis and feels confident about next steps.

Dr. Janani Singaravelu is a fellowship-trained ophthalmologist focused on diseases and surgery of the retina and vitreous. She earned her medical degree from The Ohio State University College of Medicine and completed ophthalmology residency at Washington University School of Medicine in St. Louis. She was selected for the NIH Medical Research Scholars Program at the National Eye Institute, where she conducted basic science retina research. Dr. Singaravelu subsequently completed an ophthalmic oncology fellowship at the Cole Eye Institute, Cleveland Clinic, and is a surgical vitreoretinal fellow at The Retina Group of Washington. Her background also includes a Master of Medical Science from Drexel University College of Medicine and an undergraduate degree from the University of Pennsylvania, where she studied Neuroscience and South Asia Studies and received a Fulbright Student Research Grant for public health research in India. Dr. Singaravelu is committed to compassionate, evidence-based care and partners closely with patients to explain diagnoses, discuss treatment options, and guide them through both medical and surgical care.

Dr. Sarah Tanaka Glass is a board-certified comprehensive ophthalmologist who specializes in cataract surgery and the medical and surgical care of common eye diseases. She enjoys building long-term relationships with patients and combining precise diagnostics with clear communication about options and outcomes. Raised in Southern California, she studied neuroscience at Dartmouth College, earned her MD at Vanderbilt University School of Medicine (Alpha Omega Alpha), completed an internal-medicine internship at Legacy Emanuel Medical Center, and finished ophthalmology residency training at the Casey Eye Institute at Oregon Health & Science University. Dr. Glass provides individualized care for cataracts, dry eye, glaucoma, diabetes-related eye disease, macular degeneration, and uveitis. Recognized by peers and patients alike, she was named a Portland Monthly Top Doctor in 2025. Her practice philosophy is to match evidence-based treatments with each person’s goals so they can see comfortably and live confidently.

Eric J. Niespodzany, MD, is an ophthalmologist at Pacific ClearVision Institute, where he provides laser vision correction and comprehensive surgical eye care. He brings a broad medical background to his patients: after earning a BS in Genetics and an MS in Physiology, he completed internal medicine training and board certification before pursuing ophthalmology. He trained as an ophthalmologist within the University of Texas system and now performs cataract surgery and refractive procedures while caring for a wide range of corneal and general eye conditions. Dr. Niespodzany is active in community service, volunteering at the Volunteers in Medicine clinic in Springfield and performing cataract surgery for patients with complex health needs. He also travels to Coos and Douglas counties to expand access to specialty eye care. Known for his positive energy and clear explanations, he partners with patients to choose treatments that fit their lives and visual goals.

Dr. Allison Bradee is a pediatric ophthalmologist who cares for children with common and complex eye conditions and provides strabismus care for both children and adults. She emphasizes partnership with families—explaining diagnoses, answering questions in plain language, and creating treatment plans that support healthy visual development. Her interests also include public health ophthalmology and global eye care. Dr. Bradee earned her medical degree at the University of Minnesota, completed ophthalmology residency at the University of Missouri–Kansas City, and pursued fellowship training in pediatric ophthalmology and strabismus at OHSU’s Casey Eye Institute, with additional training in pediatric oculoplastics. She also completed a research fellowship at Mayo Clinic. She sees patients at the Elks Children’s Eye Clinic and is committed to providing compassionate, timely care close to home.

Dr. Christopher M. Aderman is a vitreoretinal surgeon who treats the full spectrum of medical and surgical retinal disease. He cares for patients with age-related macular degeneration, diabetic retinopathy, retinal tears and detachments, and other complex macular disorders, offering leading-edge imaging, in-office therapies, and microsurgical repair when needed. Patients value his thoughtful explanations and collaborative approach to decisions, whether considering injections, laser treatment, or surgery. Dr. Aderman graduated magna cum laude in biochemistry from Bowdoin College and earned his medical degree from Harvard Medical School. After an internship at Beth Israel Deaconess Medical Center, he completed ophthalmology residency at the University of California, San Francisco. He then pursued vitreoretinal surgery fellowship at Wills Eye Hospital, where he received the Ron Michels Foundation Fellowship Award; he is also a Heed Fellow. He is board-certified by the American Board of Ophthalmology and was recognized as a Top Doctor in Portland in 2020.

Dr. Amy Y. Tong is a board-certified ophthalmologist specializing in cornea, cataract surgery, and refractive procedures. She was named one of Portland’s Top Doctors in 2021 by Portland Monthly Magazine, reflecting her dedication to excellence in eye care. As a cornea specialist, her clinical interests include managing diseases of the cornea, performing corneal transplant surgery, and addressing complex cataract cases. She also provides comprehensive ophthalmology for patients with a wide range of eye conditions. Dr. Tong deeply values building relationships with her patients and believes in working collaboratively as a team to enhance their vision and overall eye health. Her passion for ophthalmology was inspired by her grandmother, a professor of ophthalmology in China who continues to see patients weekly even in her eighties. Beyond her clinical practice, Dr. Tong is an active member of the American Academy of Ophthalmology, the American Society of Cataract and Refractive Surgery, and the Cornea Society. She has published multiple articles and presented at national and international meetings. In her free time, she enjoys traveling, hiking, salsa dancing, and spending time with her husband and their cat, Oliver.

Dr. Ian Danford is a cataract, glaucoma and advanced anterior segment surgeon who enjoys helping patients see—and live—more comfortably. He offers the full spectrum of cataract care along with minimally invasive glaucoma surgery (MIGS) and complex anterior segment reconstruction, including iris repair and scleral-fixated intraocular lenses. Patients describe his style as thoughtful, evidence-based and easy to understand. A Davis, California native, Dr. Danford earned his M.D. at the Perelman School of Medicine at the University of Pennsylvania, where he also completed a Master of Translational Research (MTR). He completed ophthalmology residency at the Casey Eye Institute (OHSU) and a fellowship in glaucoma and advanced anterior segment surgery at the John A. Moran Eye Center, University of Utah. Outside clinic he enjoys time with family, cycling and outdoor sports around the Pacific Northwest.

Dr. Judith Sabah is a board-certified ophthalmologist who provides comprehensive eye care with a focus on pediatric ophthalmology and adult strabismus. She completed her medical training at the University of Kansas School of Medicine and her ophthalmology residency at the UC Davis Eye Center. To further specialize in caring for children, she pursued a fellowship in pediatric ophthalmology and adult strabismus at the University of Wisconsin in Madison. Her expertise allows her to offer a wide range of services tailored to both adults and children. Dr. Sabah's clinical practice includes managing conditions such as glaucoma, diabetic eye disease, and macular degeneration. She performs no-stitch cataract surgery with premium lens implantation, eyelid surgery, and Botox injections for both cosmetic and functional purposes. She is skilled in treating strabismus, nasolacrimal duct obstruction in children, and amblyopia therapy. Throughout her career, she has been active in research and education, having published in scientific journals and presented at conferences. Committed to her patients, Dr. Sabah is a fellow of the American Academy of Ophthalmology and a member of professional societies. She and her family have made Oregon their home, where she enjoys outdoor activities, fitness training, and spending time with her loved ones.

Dr. Sam Carpentier is a comprehensive ophthalmologist who specializes in cataract surgery, diabetic eye exams, glaucoma care, and minimally invasive glaucoma surgery (MIGS). He believes the best outcomes start with listening, and he partners with each person to understand their unique story and goals before recommending a plan. Dr. Carpentier sees patients in Newberg and Lake Oswego and welcomes adults seeking routine and surgical eye care. Dr. Carpentier completed his undergraduate studies at the University of Michigan, earned a PhD at the University of Washington, and received his MD from the University of Colorado School of Medicine, where he was inducted into Alpha Omega Alpha. He finished ophthalmology residency at Wake Forest, serving as chief resident. Patients appreciate his clear explanations and collaborative, evidence-based approach to decisions about surgery and long-term eye health.

Dr. Marcus Altman is a vitreoretinal surgeon with additional fellowship training in uveitis and ocular immunology. He earned his medical degree at Yale University School of Medicine, completed an internal medicine internship at Massachusetts General Hospital, and an ophthalmology residency at the OHSU Casey Eye Institute. He went on to dual fellowships in uveitis and vitreoretinal surgery at the Moran Eye Center at the University of Utah. Dr. Altman cares for patients with the full spectrum of retinal disease—including diabetic retinopathy, age-related macular degeneration, retinal tears and detachments—and manages complex inflammatory eye conditions such as uveitis. He offers both clinic-based treatments and advanced microsurgery, and he prioritizes education so patients understand their diagnosis, treatment options, and recovery expectations. As an assistant professor at OHSU, he brings an evidence-driven approach and a calm, collaborative manner to every visit.

Dr. Monica Michelotti is a board-certified ophthalmologist specializing in retinal surgery, providing expert care for patients with retinal conditions. Born and raised in Los Alamos, New Mexico, she pursued her higher education at the University of Chicago, where she earned a Bachelor of Arts with honors. She then attended the University of Michigan for medical school, graduating with honors, and completed her ophthalmology residency at the Kellogg Eye Center. To specialize further, Dr. Michelotti undertook advanced training in retinal surgery at OHSU’s Casey Eye Institute. Her dedication to the field is evident through her invitations to present at international institutions and conferences, where she shares her work on improving the quality of care delivered by eye care providers. Outside of her professional endeavors, Dr. Michelotti leads an active lifestyle, enjoying hiking, soccer, kayaking, and traveling with her husband and young daughter. This balance reflects her holistic approach to life and medicine.

Dr. Elise Karlan Timtim is a board-certified ophthalmologist who provides comprehensive, patient-centered eye care. She focuses on careful examinations, detailed explanations, and individualized treatment plans that balance comfort, safety, and results. Her visit style is warm and collaborative, and she enjoys working with patients of all ages to protect vision and eye health. Dr. Timtim completed medical school at the University of Chicago Pritzker School of Medicine, an ophthalmology residency at Vanderbilt University Medical Center, and fellowship training at Duke University Medical Center. Her clinical interests include cataract evaluation and surgery planning, glaucoma management, diabetic and macular disease, dry eye, and corneal disorders. She is committed to easy-to-understand education and coordinated care with primary-care and subspecialty teams. Outside the operating room, she emphasizes preventive eye care and healthy habits that help patients maintain clear, comfortable vision over time.

Dr. Jocelyn Lam is a pediatric ophthalmologist and strabismus surgeon who cares for children and adults with eye alignment problems and offers cataract surgery when needed. She strives to make visits clear and reassuring for families, explaining each step and tailoring treatment to a child’s age and goals. Her practice includes comprehensive pediatric eye care, amblyopia management, and adult strabismus evaluation with medical and surgical options. Dr. Lam completed both medical school and ophthalmology residency at the University of Washington. She then pursued fellowship training in Pediatric Ophthalmology and Adult Strabismus at the University of Michigan’s Kellogg Eye Center. Before medicine she studied at the University of Washington, and completed a transitional internship at Harbor-UCLA. At EyeHealth Northwest, she welcomes patients across the Portland area and works closely with referring providers to coordinate timely, family-centered care.

Dr. Joseph Simonett is a retina specialist at the John A. Moran Eye Center whose practice focuses on the medical and surgical management of diseases of the retina and vitreous. He cares for patients with macular degeneration, diabetic retinopathy, retinal vascular disease, and ocular trauma, and is committed to delivering thoughtful, evidence-based care. Dr. Simonett earned his medical degree from the Northwestern University Feinberg School of Medicine. He completed his ophthalmology residency at the Casey Eye Institute at Oregon Health and Science University, where he received awards for research and community service, and then completed a vitreoretinal fellowship at the University of Utah. In addition to his busy clinical practice, Dr. Simonett conducts research on the safety and effectiveness of retinal injections, advanced retinal imaging techniques, and conditions that can mimic age-related macular degeneration. He has authored numerous peer-reviewed publications and serves as a reviewer for several ophthalmology journals. Patients can expect clear explanations, careful monitoring, and individualized treatment plans tailored to protect and preserve their vision.

Dr. Ariel Chen is an ophthalmologist with a focus on ocular surface, cornea, and anterior segment disease. She offers comprehensive eye care along with cataract surgery, pterygium removal, corneal transplantation, and other surgeries of the front of the eye. Dr. Chen strives to deliver patient-centered care—listening carefully, explaining every step, and coordinating with other clinicians so treatment feels seamless. A Portland native, Dr. Chen completed college at Rice University and earned her medical degree at Baylor College of Medicine. She trained in ophthalmology at the Wilmer Eye Institute at Johns Hopkins Hospital and pursued fellowship training in cornea at Wills Eye Hospital. She is delighted to be back caring for the community where she grew up.

Julia Xia, MD, is a comprehensive ophthalmologist with fellowship training in uveitis and ocular immunology. She treats inflammatory and infectious eye disease across the spectrum of anterior, intermediate, and posterior uveitis, and performs cataract surgery with a thoughtful, individualized approach. Dr. Xia also offers minimally invasive glaucoma surgery when appropriate and partners with patients to balance disease control, vision quality, and treatment burden. Originally from New Jersey, Dr. Xia graduated summa cum laude from Rutgers University and earned a Fulbright Scholarship before receiving her medical degree from Emory University, where she was inducted into the Gold Humanism Honor Society. She completed ophthalmology residency and a dedicated uveitis fellowship at the University of Colorado. She enjoys educating patients about their condition and has published research in leading journals.

Dr. Shelley Jelineo is a board-certified ophthalmologist who specializes in cornea and external eye diseases, LASIK, cataract surgery, and general ophthalmology. She grew up in Portland, Oregon, and is now happy to return home to join the Hillsboro Eye Clinic in 2024, where she provides comprehensive eye care and sub-specialty expertise in corneal conditions. Dr. Jelineo completed her undergraduate education at the University of Southern California, graduating summa cum laude with dual degrees in Health and Humanity and Biological Sciences. She earned her medical degree from Case Western Reserve University School of Medicine, receiving honors in research. Her ophthalmology residency was at University Hospitals Cleveland Medical Center and Louis Stokes Veterans Affairs Medical Center, followed by a cornea fellowship at Pacific Clear Vision Institute in Eugene. Patients value Dr. Jelineo's warm communication style and her thoughtful counseling on vision correction options, such as LASIK and Light Adjustable Lens technology. She is committed to evidence-based care tailored to each person's goals, helping them achieve clear and comfortable vision.

Ernest Puckett, MD, specializes in cataract surgery and the medical and surgical treatment of glaucoma. He offers advanced lens options for cataract patients, including astigmatism-correcting and presbyopia-correcting intraocular lenses, and is experienced with traditional glaucoma procedures as well as minimally invasive glaucoma surgery (MIGS). Patients value his clear communication and practical, step-by-step guidance when choosing among surgical and lens options. Dr. Puckett studied biomedical engineering at the University of Texas at Austin and earned his medical degree at Baylor College of Medicine, where he graduated at the top of his class and was inducted into Alpha Omega Alpha. He completed ophthalmology residency at the UCLA Jules Stein Eye Institute, received a senior resident teaching award, and stayed on to complete a glaucoma fellowship. Outside the clinic, he and his family enjoy exploring the Pacific Northwest, biking, and camping.

Dr. Steven D. Maxfield is a board-certified ophthalmologist who has been providing expert eye care at the McMinnville Eye Clinic since 2017. He completed his medical degree at Dartmouth Medical School, where he gained a strong foundation in medical sciences. His specialized training in ophthalmology was acquired through a residency program at the renowned Mayo Clinic, an institution known for its high standards in medical education and patient care. Dr. Maxfield's clinical practice encompasses comprehensive ophthalmology, meaning he offers a full range of services for eye health. He diagnoses and treats conditions including cataracts, glaucoma, dry eye syndrome, diabetic retinopathy, macular degeneration, eyelid disorders, and corneal disease. This wide scope allows him to address both common and complex eye issues, providing tailored treatments for each patient. Board certification by the American Board of Ophthalmology is a testament to Dr. Maxfield's dedication to excellence in his field. Patients can trust in his expertise for medical management and surgical interventions, ensuring that their vision needs are met with care and precision. His commitment to ongoing education and adherence to best practices make him a reliable choice for maintaining and improving eye health.

Dr. Aufderheide is a board-certified ophthalmologist who specializes in the medical and surgical care of conditions affecting the macula, retina, and vitreous. He helps patients protect and restore vision through careful diagnosis, individualized treatment plans, and advanced surgical techniques for diseases such as age-related macular degeneration, diabetic retinopathy, epiretinal membrane, macular hole, retinal tears and detachment, retinal vascular occlusions, and vision changes from flashes and floaters. His background includes engineering and bioengineering training, followed by medical school and specialty training in ophthalmology and vitreoretinal surgery. He completed a vitreoretinal surgery fellowship at the Charles Retina Institute and earned the Fellow of the American Society of Retina Specialists (FASRS) designation. In clinic, Dr. Aufderheide prioritizes clear communication so patients understand their diagnosis, options, and what to expect at each step of care.

Dr. Zachary Kroeger is a board-certified ophthalmologist and vitreoretinal surgeon at the OHSU Casey Eye Institute, where he also serves as an assistant professor in the OHSU School of Medicine. He cares for the full spectrum of retina and vitreous disease, including age-related macular degeneration and diabetic retinopathy, and offers both medical and surgical treatment tailored to each patient’s needs. Patients can see him at Casey Eye Institute on Marquam Hill as well as in Casey clinics in Astoria and Vancouver, making subspecialty retina care accessible across the region. Dr. Kroeger earned his M.D. and a master’s degree in genomic medicine at the University of Miami, completed ophthalmology residency at Baylor College of Medicine, and returned to OHSU for fellowship training in retina. He emphasizes clear, collaborative communication—reviewing imaging, outlining options, and building evidence-based plans aligned with each patient’s goals. Whether care involves close monitoring or advanced surgery, his focus is to preserve and improve sight with skill, compassion, and the latest technology.

Dr. Lynn W. Sun is a glaucoma specialist at the OHSU Casey Eye Institute who provides both medical and surgical care for patients across the spectrum of glaucoma. She earned a Ph.D. in Biological Sciences at Stanford University and an M.D. from Loyola University Chicago. She completed ophthalmology residency at the Medical College of Wisconsin and a subspecialty glaucoma fellowship at the University of Michigan. Dr. Sun focuses on delivering evidence-based treatment plans that balance eye pressure control with quality of life, offering traditional procedures as well as the most promising minimally invasive options. She enjoys educating patients about their diagnosis and partnering on long-term care plans that fit their daily routines. Dr. Sun is board-certified by the American Board of Ophthalmology and is active in the American Glaucoma Society and ARVO. She speaks Mandarin Chinese and sees patients at OHSU’s Marquam Hill and Vancouver locations.

Dr. Roma Pegany is a cornea and external disease specialist at the Casey Eye Institute. She diagnoses and treats conditions that affect the cornea and ocular surface, offering medical therapies as well as surgical options such as corneal transplantation and laser vision correction. Her clinical interests include infectious and inflammatory corneal disease, and she is committed to patient education so people understand their diagnosis and choices at every step. Dr. Pegany earned her undergraduate degree from the University of California, Berkeley and her medical degree from Georgetown University School of Medicine. She completed an ophthalmology residency at the University of North Carolina, Chapel Hill, followed by fellowship training in Cornea, External Diseases and Refractive Surgery at the Casey Eye Institute, where she received the Fellow of the Year award. She later served on the faculty at the University of California, San Francisco before returning to OHSU. Dr. Pegany values collaborative, compassionate care grounded in the latest science.